Home / 1,762.45-2,431.99-1,341.75

Finding the Fourth Proportional to 1,762.45, 2,431.99 and 1,341.75

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Solution

The fourth proportional to 1,762.45, 2,431.99 and 1,341.75 is: 1,851.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,762.45 : 2,431.99 = 1,341.75 : x
  2. Step 2: Convert to fraction form
    1,762.45/2,431.99 = 1,341.75/x
  3. Step 3: Cross multiply
    1,762.45x = 2,431.99 × 1,341.75
  4. Step 4: Simplify right side
    1,762.45x = 3,263,122.58
  5. Step 5: Solve for x
    x = 3,263,122.58/1,762.45
  6. Step 6: Final answer
    x = 1,851.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.